TRAFFIC CONTROL PLANSIGN SPACING
= X (1)
RURAL ROADS & URBAN ARTERIALS
35 140 MPH
350't
RURAL ROADS, URBAN ARTERIALS,
25 130 MPH
200't (2)
RESIDENTIAL & BUSINESS DISTRICTS
URBAN STREETS
25 MPH OR LESS
1001t (2)
(1) ALL SPACING MAY BE ADJUSTED TO
ACCOMMODATE
INTERSECTIONS AND DRIVEWAYS.
(2) THIS SPACING MAY BE REDUCED IN
URBAN AREAS TO
FIT
ROADWAY CONDITIONS.
MINIMUM SHOULDER TAPER LENGTH = L/3 (feet)
SHOULDER
Posted Speed (mph)
WIDTH
(feet)
25
30
35
40
45
50
55
60
65
70
8'
40
40
60
90
-
-
-
-
-
-
10'
40
60
90
90
USE A 3 DEVICES TAPER FOR SHOULDERS LESS THEN 8'
BUFFER DATA
LONGITUDINAL BUFFER SPACE = B
SPEED (MPH)
25
30
35
40
45
50
55
60
65
70
LENGTH (feet)
155
200
250
305
360
425
495
570
645
730
TRANSPORTABLE ATTENUATOR ROLL AHEAD DISTANCE = R
HOST VEHICLE WEIGHT
9,900 TO 22,000 lbs.
HOST VEHICLE WEIGHT
> 22,000 lbs.
< 45 MPH
45-55 MPH
> 55 MPH
< 45 MPH
45-55 MPH
> 55 MPH
100,
123'
172'
74'
100,
150'
PROTECTIVE VEHICLE (WORK VEHICLE) = R
NO SPECIFIED DISTANCE REQUIRED
CHANNELIZATION DEVICE
SPACING feet
MPH
TAPER
TANGENT
35/40
30
60
25/30
20
40
b 4 ® ® �¢ WORK AREA
X X L/3 B R 50,
48' 41"
ROAD
WORK <WZOR
ULDERAHEAD 48'
W20-1 W21-5
NOTES
LEGEND
1. DEVICE SPACING FOR THE DOWNSTREAM TAPER SHALL BE 20'(FT).
K TEMPORARY SIGN LOCATION SHOULDER CLOSURE -LOW SPEED 2. ALL SIGNS ARE BLACK ON ORANGE.
O CHANNELIZING DEVICES
(40 MPH OR LESS)
PROTECTIVE VEHICLE
NOT TO SCALE
FILE NAME S:\Desi n R P& SW-Standardsl2-Plan Sheet Libra 101-Published PSL\ TC Work Zone Traffic Control\ TC-5 Shoulder Closure - Low Speed 40 MP or Less)\TC-5.dgn Plot 1
TIME 2,59,41 PM —Tr FED.AID PROJ.NO. AmokRux Rv
DATE 1/212018 Y�/�
PLOTTED BY Ilddslf WAS �I/ TCS�
DESIGNED BY Joe xo..ER
ENTERED BY Washington State ....
CHECKED BY coxTRnm x iounox "". Department of Transportation oR
PROJ. ENGR. re " E TRAFFIC CONTROL PLAN
REGIONAL ADM. REVISION DATE BY